Tolérances de filetage métrique ISO

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The International Organization for Standardization (ISO) set the standard for limits of metric screw thread. ISO 965 specifies the basic profile for ISO general purpose metric screw threads (M) conforming to ISO 261.

The information below can be used to calculate the values of thread tolerances defined by ISO 965/1. Screw threads are usually signified by two tolerances. One is for the maximum outside diameter, measured from the major diameter of the thread, and the other is for the pitch diameter, measured from the midpoint of each tooth.

Dimensions in millimetres (mm). Tolerances 6g (6h). For guidance only.

Taille de filetageFiançailles
Longueur à partir de		Fiançailles
Longueur jusqu'à		Diamètre majeur
(Maximum)		Diamètre majeur
(Min)		Diamètre de pas
(Maximum)		Diamètre de pas
(Min)		Racine du fil de discussion
Rayon (Min)
M10.61.710.9330.8380.7850.031
M1.20.61.71.21.1331.0380.9850.031
M1.40.721.41.3251.2051.1490.038
M1.60.82.61.5811.4961.3541.2910.044
M1.80.82.61.7811.6961.5541.4910.044
M2131.9811.8861.7211.6540.05
M2.51.33.82.482.382.1182.1170.056
M31.54.52.982.8742.6552.580.063
M3.51.753.4793.3543.0893.0040.075
M4263.9783.8383.5233.4330.088
M52.57.54.9764.8264.4564.3610.1
M63125.9745.7945.3245.2120.125
M7336.9746.7946.3246.2120.125
M84127.9727.767.167.0420.156
M105159.9689.7328.9948.8620.188
M1261811.96611.70110.82910.6790.219
M1482413.96213.68212.66312.5030.25
M1682415.96215.68214.66314.5030.25
M18103017.95817.62316.33416.1640.313
M20103019.95819.62318.33418.1640.313
M22103021.95821.62320.33420.1640.313
M24123623.95223.57722.00321.8030.375
M27123626.95226.57725.00324.8030.375
M30154529.94729.52227.67427.4620.438
M33154532.94732.52230.67430.4620.438
M36185335.9435.46533.34233.1180.5
M39185338.9438.46536.34236.1180.5
Taille de filetageFiançailles
Longueur à partir de		Fiançailles
Longueur jusqu'à		Diamètre majeur
(Maximum)		Diamètre majeur
(Min)		Diamètre de pas
(Maximum)		Diamètre de pas
(Min)		Racine du fil de discussion
Rayon (Min)
M8x1397.7947.7947.3247.2120.125
M10x1399.9749.7949.32492120.156
M10x1,254129.9729.769.169.0420.156
M12x1,254.51311.97211.7611.1611.0280.156
M12x1,55.61611.96811.73210.99410.8540.156
M14x1,55.61613.96813.73212.99412.8540.188
M16x1,55.61615.96815.73214.99414.8540.188
M18x1,55.61617.96817.73216.99416.8540.188
M18x282417.95217.68216.6630.1880.188
M20x1,55.61619.96819.73218.99418.8540.188
M20x282419.96219.68218.66318.5030.188
M22x1,55.61621.96821.73220.99420.8540.188
M22x282421.96221.68220.66320.5030.188
M24x28.52523.96223.68222.66322.4930.25
M27x28.52526.96226.68225.66325.4930.25
M30x28.52529.96229.68228.66328.4930.25
M33x28.52532.96232.68231.66331.4930.25
M36x3123635.95235.57734.00333.8030.375
M39x3123638.95238.57737.00336.8030.375

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